Johan Teunis Barendregt
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hoogovens M-4K | 01/??/1974 | 0 | Netherlands |
| Amsterdam Sen-Jun | 03/??/1973 | 0 | Netherlands |
| Liberation tourn | 04/??/1971 | 0 | |
| Wijk aan Zee M 4-K | ??/??/1970 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C68 | Ruy Lopez, exchange variation | 10 games |
| B52 | Sicilian, Canal-Sokolsky attack, 3...Bd7 | 9 games |
| C69 | Ruy Lopez, exchange variation, 5.O-O | 6 games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 6 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C41 | Philidor's defence | 27 games |
| B07 | Pirc defence | 12 games |
| A42 | Modern defence, Averbakh system | 6 games |
| A44 | Old Benoni defence | 6 games |


Netherlands